vaccination

• At about 6 to 7 weeks the first vaccinations are given
  在6到7周的时候，接种第一次疫苗。
• Ha launches influenza vaccination programme
  医管局开展流感防疫注射计划
• The way to stop the spread now is more vaccinations
  现在阻止传播的方法是更多地接受疫苗。
• Sometimes pups become ill after their first vaccination
  有时犬只会在首次接种疫苗后发病。
• 5 . bcg vaccination programme for newborns
  5 .新生婴儿卡介苗接种计划。
• Vaccination immunizes people against smallpox
  种牛痘能使人免患天花。
• Flu vaccination for live poultry workers
  活禽畜从业员接受流感防疫注射
• Documents or written records about vaccination )
  疫苗注射史证明文件。
• Afcd announces backyard poultry vaccination programme
  渔护署公布家庭式饲养家禽注射疫苗计划
• Analysis of an epidemic model with age of vaccination
  一类带接种和年龄结构的流行病模型分析